GM A-Body 9" Rear Housing Suspension Bracket Kit - Late 1967-'72 Speedmaster has redesigned the power

Speedmaster has redesigned the power gear sets to incorporate six pinion gears--unlike a stock 3-pinion style--to increase their load-handling characteristics by 100 percent

Not only does it make it easier but also more cost effective

heavy-duty front and rear bearing plate

Internally the coil also has large gauge wire windings for maximum spark current and voltage with better heat dissipation at high rpm

which allow you to modify your cam timing

GM A-Body 9" Rear Housing Suspension Bracket Kit - Late 1967-'72 Speedmaster has redesigned the powerSpeedmaster bracket kit works for late '67 '72 GM A body cars such as Chevelle, Monte Carlo, Cutlass, Skylark, GTO Lemans with domed style spring pads. Kit includes upper control arm brackets with greasable rod ends installed, coil spring perches for the tops of the tubes, lower control arm mounts, urethane bump stops, and separate shock mounts that are not incorporated into the control arm mount so that they may be in boarded for tire clearance.